How to return to Home screen of previous style with Apps button in Samsung Mobile Device?
Samsung Galaxy Devices such as S8/S8+, Note8 and A8/A8+, S9/S9+ applied new screen concept of cleaner home layout with simple widget and fewer icons, convenient home/app tray transfer by swiping.
Without using the Apps button, you can open the Apps screen by swiping upwards or downwards on the Home screen. To return to the Home screen, swipe upwards or downwards on the Apps screen. Alternatively, tap the Home button or the Back button.
Swiping upward and downward to access Home or Apps Screen